Home / 47,255.45-70,880.82-17,671.11

Finding the Fourth Proportional to 47,255.45, 70,880.82 and 17,671.11

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Solution

The fourth proportional to 47,255.45, 70,880.82 and 17,671.11 is: 26,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255.45 : 70,880.82 = 17,671.11 : x
  2. Step 2: Convert to fraction form
    47,255.45/70,880.82 = 17,671.11/x
  3. Step 3: Cross multiply
    47,255.45x = 70,880.82 × 17,671.11
  4. Step 4: Simplify right side
    47,255.45x = 1,252,542,933.15
  5. Step 5: Solve for x
    x = 1,252,542,933.15/47,255.45
  6. Step 6: Final answer
    x = 26,505.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.